ought to fatten
Regular verb: fatten - fattened- fattened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to fatten
you ought to fatten
he ought to fatten
we ought to fatten
you ought to fatten
they ought to fatten 	I ought to be fattening
you ought to be fattening
he ought to be fattening
we ought to be fattening
you ought to be fattening
they ought to be fattening	I ought to have fattened
you ought to have fattened
he ought to have fattened
we ought to have fattened
you ought to have fattened
they ought to have fattened	I ought to have been fattening
you ought to have been fattening
he ought to have been fattening
we ought to have been fattening
you ought to have been fattening
they ought to have been fattening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to fatten
you oughtn't to fatten
he oughtn't to fatten
we oughtn't to fatten
you oughtn't to fatten
they oughtn't to fatten 	I oughtn't to be fattening
you oughtn't to be fattening
he oughtn't to be fattening
we oughtn't to be fattening
you oughtn't to be fattening
they oughtn't to be fattening	I oughtn't to have fattened
you oughtn't to have fattened
he oughtn't to have fattened
we oughtn't to have fattened
you oughtn't to have fattened
they oughtn't to have fattened	I oughtn't to have been fattening
you oughtn't to have been fattening
he oughtn't to have been fattening
we oughtn't to have been fattening
you oughtn't to have been fattening
they oughtn't to have been fattening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I fatten?
ought to you fatten?
ought to he fatten?
ought to we fatten?
ought to you fatten?
ought to they fatten? 	ought to I be fattening?
ought to you be fattening?
ought to he be fattening?
ought to we be fattening?
ought to you be fattening?
ought to they be fattening? 	ought to I have fattened?
ought to you have fattened?
ought to he have fattened?
ought to we have fattened?
ought to you have fattened?
ought to they have fattened? 	ought to I have been fattening?
ought to you have been fattening?
ought to he have been fattening?
ought to we have been fattening?
ought to you have been fattening?
ought to they have been fattening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to fatten?
oughtn't you to fatten?
oughtn't he to fatten?
oughtn't we to fatten?
oughtn't you to fatten?
oughtn't they to fatten? 	oughtn't I to be fattening?
oughtn't you to be fattening?
oughtn't he to be fattening?
oughtn't we to be fattening?
oughtn't you to be fattening?
oughtn't they to be fattening? 	oughtn't I to have fattened?
oughtn't you to have fattened?
oughtn't he to have fattened?
oughtn't we to have fattened?
oughtn't you to have fattened?
oughtn't they to have fattened? 	oughtn't I to have been fattening?
oughtn't you to have been fattening?
oughtn't he to have been fattening?
oughtn't we to have been fattening?
oughtn't you to have been fattening?
oughtn't they to have been fattening?